... only minimal valve motion that would be easily achievable on current production engines equipped with cam phasers. 16 02 2010 09 06 2011 05 12 2011 05 12 2011 combustion exhaust systems fuel systems intake systems (machines) internal combustion engines thermodynamics...

... 11 11 2011 air pollution control catalysis dynamic programming engines exhaust systems fuel economy hybrid electric vehicles minimisation optimal control fuel economy hybrid electric vehicles supervisory powertrain control tail-pipe emissions Hybrid electric vehicles...

...Jason A. Meyer; Stephen Yurkovich; Shawn Midlam-Mohler One of the most overlooked and oversimplified components of an engine model used for model based air-to-fuel ratio (AFR) control and/or diagnostics is the exhaust gas dynamics model. Without a proper model of the exhaust system, the mixing...

... of the engine operating range. diesel engines exhaust systems fuel systems ignition rails valves The diesel engine is the most efficient and production-viable prime mover available for ground vehicles. However, modern diesel engines typically emit higher levels of NO x...

.... automotive components compressible flow exhaust systems internal combustion engines pneumatic systems valves Three primary types of camless valve actuators are electromagnetic, hydraulic, and pneumatic actuators. Sugimoto et al. ( 7 ), Theobald et al. ( 8 ), and Pischinger and Kreuter ( 9...

... biofuel closed loop systems combustion diesel engines exhaust systems fuel processing industries gas sensors torque biodiesel diesel engines alternative fuels diesel fuel biofuels oxygenation estimation virtual sensing fuel flexibility Biodiesel is a renewable, alternative...

... condition monitoring cooling diesel engines engine cylinders exhaust systems fault diagnosis flaw detection fuel systems intake systems (machines) machinery production industries manifolds probability regression analysis torque An important goal for diesel engine manufacturers...

... Control of Combustion Timing and Peak Pressure on an HCCI Engine ,” Proceedings of the American Control Conference , pp. 3871 – 3876 . exhaust systems ignition internal combustion engines optimal control pressure control HCCI is a promising approach for increasing efficiency...

.... , and Edwards , C. E. , 2005 , “ Strategies for Achieving Residual-Effected Homogeneous Charge Compression Ignition Using Variable Valve Actuation ,” SAE Paper No. 2005-01-0165. 12 12 2005 29 02 2008 05 12 2008 combustion diesel engines engine cylinders exhaust systems...

... diesel engines energy consumption exhaust systems fuel systems ignition The application of homogeneous charge compression ignition (HCCI) to automotive diesel engines is a very promising concept for its potentials in significantly decreasing NO x and particulate matter (PM...

... system synthesis exhaust systems feedback feedforward humidity humidity control proton exchange membrane fuel cells A thermodynamic model for a humidifier using the fuel cell exhaust gas to humidify the dry inlet gas was developed in Ref. 2 . In this paper, stack cooling water replaces...

... delay in the exhaust system. In this paper, a systematic development of an air-fuel ratio controller based on post lean NO x trap (LNT) oxygen sensor feedback using linear parameter-varying (LPV) control is presented. Satisfactory stability and disturbance rejection performance is obtained in the face...

... variance and limitations of the method, are highlighted using results from simulation and test rig studies. thermocouples temperature measurement deconvolution temperature sensors combustion exhaust systems parameter estimation temperature measurement thermocouple sensor blind...

... of the humidifier during transient operations typical for automotive applications. A simple proportional controller was designed to control the humidifier operation. 23 02 2004 22 10 2004 proton exchange membrane fuel cells fuel cell vehicles humidity control exhaust systems design engineering...

... the exhaust valve early ( 4 ), modulating intake and exhaust flows using variable valve actuation (VVA) to reinduct exhaust from the previous cycle ( 1 4 ) or some combination of these ( 5 6 ). internal combustion engines ignition valves exhaust systems manifolds transient response engine...

.... These catalysts require the delivery of supplemental hydrocarbons in order to reduce NO x in the lean environment typical of diesel exhaust. In the system studied here, these additional hydrocarbons are injected into the exhaust system downstream of the turbocharger. A control-oriented, gray-box mathematical...